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Fuel Pump Noise


Tertius

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Hi Guys.

 

I just want to find out something.

 

When my bike is running, or idling, i can hear the petrol pump running.

Almost sounds like a mosquito in your ear.

Is this normal or should the petrol pump run quietly?

 

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Tertius-

When you turn the key on, before starting the bike, you should be able to hear the fuel pump whirring for a few seconds. Is that the sound you hear?

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Morning Tertius

 

Those electric fuel pumps do make noise, some louder than others & some riders hear it more than others.

 

If your pump is louder than others it might have a degraded pump isolator (kind of common on older oilheads)

 

As a rule if you can hear your fuel pump then all is good, it's when you can't hear it running that you are in trouble.

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